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Finding the Fourth Proportional to 123,080.85, 169,851.53 and 66,492.23

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Solution

The fourth proportional to 123,080.85, 169,851.53 and 66,492.23 is: 91,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,080.85 : 169,851.53 = 66,492.23 : x
  2. Step 2: Convert to fraction form
    123,080.85/169,851.53 = 66,492.23/x
  3. Step 3: Cross multiply
    123,080.85x = 169,851.53 × 66,492.23
  4. Step 4: Simplify right side
    123,080.85x = 11,293,806,315.58
  5. Step 5: Solve for x
    x = 11,293,806,315.58/123,080.85
  6. Step 6: Final answer
    x = 91,759.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.